Giving a glimpse of legendary actor Amitabh Bachchan's childhood on his 78th birthday, son and actor Abhishek Bachchan shared an oblivious picture of him on Sunday. The 44-years-old actor called his father 'the OG' (original gangster) and his 'Hero'.

The 'Guru' actor extended wishes to his father and shared a hazy picture of senior Bachchan on Instagram where he is seen smile away from the camera. "Happy birthday B!!! #theOG #MyHero #78 Love you, Pa," wrote Abhishek.